ARIZONA CDL COMBINATION PRACTICE TEST
11.
If your vehicle catches fire, you should pull over:
|
at a service station.
|
|
|
near trees.
|
|
|
in an open area.
|
12.
If you must make an emergency stop, you should:
|
brake in a way that will keep your vehicle in a straight line.
|
|
|
apply the brakes as hard as you can to lock them.
|
|
|
use the hand brake before the brake pedal.
|
13.
A truck tractor with _________ requires the shortest stopping distance.
|
a lightly loaded trailer
|
|
|
a fully loaded trailer
|
|
|
an empty trailer
|
14.
The emergency air line:
|
supplies air to the trailer air tanks.
|
|
|
controls the emergency brakes on combination vehicles.
|
|
|
All of the above.
|
15.
A trailer jackknife is more likely to happen when the trailer is:
|
empty.
|
|
|
overloaded.
|
|
|
loaded to its full capacity.
|
16.
In vehicles with air brakes, the tractor protection valve:
|
provides the air pressure used to operate trailer brakes.
|
|
|
keeps air in the tractor or truck brake system.
|
|
|
carries air, which is controlled by the trailer hand brake or the foot brake.
|
17.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
|
apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
|
|
|
increase your speed to approximately 45 mph, and then apply release the brakes.
|
|
|
apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
|
18.
To prevent rollover, you should:
|
drive on the shoulder of the road when possible.
|
|
|
drive in the left lane.
|
|
|
drive slowly around corners.
|
19.
How do you find out how many seconds of following distance you have?
|
Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
|
|
|
Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
|
|
|
Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
|
20.
To be in the proper position for coupling, the fifth wheel should:
|
tilted up towards the rear of the tractor.
|
|
|
have its jaws closed around the shank of the kingpin.
|
|
|
be tilted down towards the rear of the tractor.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More